Genesis 18:27
King James Version
“And Abraham answered and said, Behold now, I have taken upon me to speak unto the Lord, which dust and ashes:”
Context
24Peradventure there be fifty righteous within the city: wilt thou also destroy and not spare the place for the fifty righteous that therein?
25That be far from thee to do after this manner, to slay the righteous with the wicked: and that the righteous should be as the wicked, that be far from thee: Shall not the Judge of all the earth do right?
26And the LORD said, If I find in Sodom fifty righteous within the city, then I will spare all the place for their sakes.
27And Abraham answered and said, Behold now, I have taken upon me to speak unto the Lord, which dust and ashes:
28Peradventure there shall lack five of the fifty righteous: wilt thou destroy all the city for five? And he said, If I find there forty and five, I will not destroy
29And he spake unto him yet again, and said, Peradventure there shall be forty found there. And he said, I will not do for forty’s sake.
30And he said Oh let not the Lord be angry, and I will speak: Peradventure there shall thirty be found there. And he said, I will not do if I find thirty there.